The Nike Metcon Free Training Shoe is built to power intense workouts. The shoe features TPU-faced mesh for lightweight durability, stability, and flexibility. Flywire technology integrates into the laces at the midfoot for a dynamic fit that locks your foot in place without restricting movement. Comfortable bootie construction provides a soft, flexible fit. A sidewall wrap-up design cradles the heel for additional support. In the Nike Metcon Free, you'll be able to train hard without worrying about your shoes.